Try the free version: https://play.google.com/store/apps/details?id=com.appdoodle.tools.capturescreenplus before buying or ask for refund from Play Store within 15 minutes of purchase *
* Simplest way to capture your device's screen and share with friends. * Developers can use it to take screen shots of their android applications. * Easy to use interface. * Option to save images in png or jpg formats.
NOTE: To remove superuser permission toast message from your screenshots, goto your "superuser permissions" app and disable toast messages.